diff --git a/Android.mk b/Android.mk
index 50d2f1c..4463e3f 100755
--- a/Android.mk
+++ b/Android.mk
@@ -10,8 +10,7 @@
 
 LOCAL_PACKAGE_NAME := BasicSmsReceiver
 
-# Builds against the public SDK
-#LOCAL_SDK_VERSION := current
+LOCAL_PRIVATE_PLATFORM_APIS := true
 
 LOCAL_PROGUARD_FLAG_FILES := proguard.flags
 
diff --git a/tests/Android.mk b/tests/Android.mk
index 22e709e..2d35bb2 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -29,6 +29,7 @@
 # automatically get all of its classes loaded into our environment.
 
 LOCAL_PACKAGE_NAME := BasicSmsReceiverTests
+LOCAL_PRIVATE_PLATFORM_APIS := true
 
 LOCAL_INSTRUMENTATION_FOR := BasicSmsReceiver